Red dead-nettle does not sting. It displays dense clusters of pinky-red flowers in whorls around its stem, and can be found on disturbed ground, such as roadside verges.

The Scots pine is the native pine of Scotland and once stood in huge forests. It suffered large declines, however, as it was felled for timber and fuel. Today, it is making a comeback - good news…

The grey squirrel was introduced into the UK in the 1800s. It provides an easy encounter with wildlife for many people, but can be damaging to woodlands and has contributed to the decline of the…

One of the prettiest hardy ferns, the lady fern is delicate and lacy, with ladder-like foliage. It makes a good garden fern, providing attractive cover for wildlife.

Largely confined to the north of the UK, the rare pine marten is mostly nocturnal and very hard to spot. Reintroductions are helping it make a comeback.

As its name suggests, the house martin can be spotted nesting in the eaves of houses in our towns and villages. Its intricate mud nests take days to build and are often returned to and used in…